When to plant rhubarb in zone 7b — planting calendar

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Showing USDA Zone 7B

Growing SeasonZone 7b

Last frost ~Apr 5First frost ~Nov 1Today

Start indoorsTransplant / sowHarvestFrost risk

MARAPRMAYJUNJULAUGSEPOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEPOCT

Transplant Mar 22 · First harvest Sep 21 · Wrap by Nov 1

Last spring frostApr 5

Transplant outMar 22

First harvestSep 21

Last harvestNov 1

First fall frostNov 1

Why these dates work in zone 7b

Zone 7b's last spring frost averages Apr 5 and first fall frost Nov 1 — about 210 frost-free days. Rhubarb tolerates light frost, so you can set plants out ahead of the last-frost date and keep harvesting into the cooler fall.

Common questions

How long does rhubarb take to grow in zone 7b?

Rhubarb matures in about 548–730 days from transplanting. In zone 7b that means setting plants out around Mar 22 and first picking around Sep 21.

Will rhubarb survive frost in zone 7b?

Yes — rhubarb tolerates light frost. In zone 7b you can set plants out a little before the last frost (around Apr 5) and keep harvesting past the first fall frost (around Nov 1).

For soil, spacing, pests and companion planting, see the full rhubarb growing guide →